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Rating Progression Summary
| Rating | Training Time | Key Test Standard | Unlocks |
|---|---|---|---|
| S1 | Suggested 4 sessions | Clearances, ground control, zero incursions | Delivery/Ground, S2 training |
| S2 | Suggested 6 sessions | Runway control, wake separation, emergency response | Tower/Departure, S3 training |
| S3 | Suggested 8 sessions | Radar sequencing, vectoring, conflict resolution | Approach/Control, mentoring path |